# Kidde Hardwired Smoke Detector with AA Battery Backup, Wire-Free Interconnect, Voice Alerts, LED Status Light, 20SAR-VRF

**Brand:** [Kidde](https://shop.coreranger.com/brands/Kidde)
**SKU:** 21033921
**Price:** $49.97 · in stock
**URL:** https://shop.coreranger.com/product/kidde-hardwired-smoke-detector-with-aa-battery-backup-wire-free-interconnect-voice-alerts-led-status-340574704

## Specifications

| Spec | Value |
|---|---|
| Model # | 21033921 |
| Included | Batteries,Battery Back-Up,Owner's Manual |
| Pack Size | 1 |
| Alert Type | Siren,Voice |
| Internet # | 340574704 |
| Returnable | 90-Day |
| Store SKU # | 1015221480 |
| Voltage (V) | 3 V |
| Power Source | Hardwired |
| Alarm Sensor Type | Photoelectric |
| Product Depth (in.) | 5 in |
| Product Width (in.) | 5 in |
| Commercial/Residential | Commercial,Home |
| Alarm/Detector Features | Battery Back-Up,Wire-free Interconnect |
| Certifications and Listings | ETL Listed |

## Description

Help protect your home and family with the Kidde 20SAR-VRF Hardwired Smoke Detector with AA Battery Backup, Voice Alerts, and Wire-Free Interconnect. This hardwired alarm detects smoke over 25% faster* and sounds a loud 85-decibel alarm with a red LED light for clear visual warnings. The voice alerts of this hardwired detector announce "Fire!" enabling occupants to respond quickly during an emergency.This detector features a wireless interconnect capability that allows up to 12 compatible Kidde alarms** to link together, offering a solution for whole home protection. When one alarm detects smoke, all connected alarms sound simultaneously, helping ensure everyone in the home is alerted. This hardwired detector connects directly to 120V AC power and includes two AA batteries for backup operation, providing continuous smoke detection during power outages.This detector is backed by a 10-year limited warranty from the date of purchase. It is ETL Listed and rigorously tested to meet UL 217 10th Edition, UL 2034 5th Edition, and FCC standards. Perfect for homeowners, property managers, and professionals seeking dependable, code-compliant detection for residential spaces.*29% faster average smoke detection based on internal testing of smoldering wood fires for Kidde 9th Edition vs. leading competitor 8th Edition products.**Different models offer different interconnection options and requirements. Check the User Guide for more info.

• Wire-free interconnect triggers connected units to sound together
• Interconnects standard hardwired and wireless battery alarms
• Meets the most current safety standards for smoke alarms